alarm       https://freesound.org/people/wolferCZ/sounds/395400/
cat         https://freesound.org/people/Sadiquecat/sounds/759417/
melody      https://freesound.org/people/HeyKey1800/sounds/437526/
guitar      https://freesound.org/people/eriatarka/sounds/15753/
cartoon     https://freesound.org/people/buzzc0x/sounds/496098/
ring        https://freesound.org/people/13FPanska_Stranska_Michaela/sounds/378394/
signal      https://freesound.org/people/SamsterBirdies/sounds/486088/
triplet     https://freesound.org/people/mayanxibalba/sounds/168588/
double      https://freesound.org/people/markboylan10/sounds/189586/
robot       https://freesound.org/people/ani_music/sounds/233603/
vibraphone  https://freesound.org/people/jack_urbanski/sounds/495674/
